Sectarian tensions have been building in Lebanon since Hezbollah's involvement in the Syrian civil war became public last month Lebanese army troops deployed in the area of the fighting, the officials said.

Sources tell Al Jazeera that the army is deploying to the area of Abra, Sidon.

MORE : Two new videos out of the Syrian civil war show some of the clashes happening in the the city of Daraya in Western Gouta, outskirts of Damascus and shelling on the residential areas in Al Rastan, the third largest city in Homs.